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Animals With Backbones: Review

For the unit test, you should:

1. Give the definitions of these vocabulary words:

• animal
• barb
• carbon dioxide
• cell
• crocodilian
• evolution
• feather
• fin
• gills
• life cycle
• lungs
• marsupial
• metamorphosis
• monotreme
• operculum
• oxygen
• placental
• quill
• shaft
• species
• theory
• zoologist

2. Explain what an animal is, and the difference between vertebrate and invertebrate animals.

3. List the names of the five classes of vertebrates, from the first to appear on Earth to the latest.

4. Tell, for each class of vertebrate animals:

• Whether they are cold-blooded or warm-blooded.
• Whether they lay eggs or give birth and how they care for their young.
• What their body covering is.
• Whether they have lungs or gills or both.
• The main groups in each class.

5. Explain how fish breathe with gills.

6. Show you understand how an animal's traits can help an animal, by giving examples.

7. Explain what metamorphosis is and give the steps in a frog life cycle.

8. In a paragraph, tell what is alike and what is different for two classes of vertebrate animals.

9. Explain what a scientific theory is, and give the reasons why scientists believe life evolved on Earth from single-celled living things.

In addition, you should review the "stretch" notes in your journal. One five-point question on the test is always from this information.

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This page last modified August 15, 2002

Copyright ©2000 Delia Marshall Turner. All rights reserved.

Questions? Send me a note at dturner@haverford.org